The recent advances in bio-sensors, medical devices and communications technologies lead to the advent of IoMT, which can be deployed in diverse healthcare scenarios such as telemedicine, remote rehabilitation, and pandemic quarantine. IoMT that connects diverse medical devices and facilities with healthcare institutions has generated massive heterogeneous medical data. Through analyzing the massive IoMT data, medical professionals (such as doctors and nurses) can diagnose, identify, and make appropriate treatments. Fig. REF  presents an overview of the existing IoMT systems. In this architecture, diverse IoMT devices generate massive IoMT data, which can be collected, processed, and analyzed, thereby being used by healthcare practitioners [1]}.
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